Kunwer Sachdev shares his decade-long story with Narender Singh Negi — the quiet R&D engineer who helped build India’s 360V MPPT solar technology and DSP Solar PCU at Su-Kam, and rose to Head of R&D before joining V-Guard Industries as Director.
Kunwer Sachdev shares how he gave Jagdeep Chauhan — a chip salesman from Roorkee — his first chance in the inverter industry. Jagdeep went on to invent India’s DSP Sine Wave Inverter technology at Su-Kam and later founded EAPRO Global, now serving 10 million users across 20+ countries.
How Venkat Rajaraman left Nvidia to join Su-Kam in 2007, led FPGA inverter R&D with Kunwer Sachdev, and founded Cygni Energy — India’s leading battery storage company with a 4.8 GWh assembly plant in Hyderabad.
12 patents granted, 56 pending, 5 provisional — all lost when Su-Kam entered IBC insolvency in 2018. The complete IPO record of India’s biggest patent loss.
Su-Kam filed 77 patents — more than any other company in India’s power backup industry. Kunwer Sachdev tells the story of how a non-engineer became obsessed with protecting innovation, why he started filing patents, and what it cost when all 77 were lost in IBC.
Su-Kam deployed solar and inverter systems for Assam Rifles, replacing diesel generators at remote border posts — a critical infrastructure project that…
Twenty days before Dr APJ Abdul Kalam passed away, he joined Su-Kam to electrify two villages. Kunwer Sachdev shares this unforgettable moment.
Why inverter batteries explode and 7 ways to prevent it at home. Essential safety guide for tubular and lithium battery owners across India.
How Su-Kam’s off-grid solar plant in Agartala became the anchor of North-East India’s first solar city in 2014. Kunwer Sachdev tells the full story.
In 2014, Su-Kam won a SECI tender to build India’s largest rooftop solar plant at Punjab Engineering College. Kunwer Sachdev shares the full story.